IndividualActive
Marissa Thirion
NPI 1023773413 · Behavior Technician · Downey, CA
Marissa Thirion is a Behavior Technician provider in Downey, CA (NPI 1023773413).
Provider details
- NPI number
- 1023773413
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
12432 Bellflower Blvd
Downey, CA 90242-2806
Phone: (818) 241-6780
Street-level locationGet directions
Mailing address
1055 E Colorado Blvd Ste 560
Pasadena, CA 91106-2380
Registry dates
- Enumerated
- 2021-11-01
- Last updated
- 2021-11-01
- Certified
- 2021-11-01
Frequently asked questions
- What is Marissa Thirion's NPI number?
- Marissa Thirion's National Provider Identifier (NPI) is 1023773413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Thirion's specialty?
- Marissa Thirion is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Marissa Thirion located?
- Marissa Thirion's practice location on file with NPPES is 12432 Bellflower Blvd, Downey, CA 90242-2806.
- What is Marissa Thirion's phone number?
- The practice phone number listed in the NPPES registry for Marissa Thirion is (818) 241-6780.
- Is Marissa Thirion's NPI active?
- Yes — Marissa Thirion's NPI (1023773413) is active in the NPPES registry as of the last update on 2021-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.